cross-compilation settings for arm-apple-darwin ("M1 Macs")

Signed-off-by: KOSHIKAWA Kenichi <[email protected]>

Author: reishoku

.github/workflows/test.yml

@@ -26,20 +26,47 @@ jobs:
           ifconfig
       - name: Install build dependencies of VDE
         run: brew install autoconf automake
-      - name: Install VDE
+      - name: Make and Install VDE
         run: |
           git clone https://github.com/virtualsquare/vde-2.git /tmp/vde-2
           cd /tmp/vde-2
           # Dec 12, 2021
           git checkout 74278b9b7cf816f0356181f387012fdeb6d65b52
           autoreconf -fis
+          # compile for x86_64
           ./configure --prefix=/opt/vde
-          make
-          sudo make install
-      - name: Make
-        run: make PREFIX=/opt/vde
-      - name: Install
-        run: sudo make PREFIX=/opt/vde install
+          make PREFIX=/opt/vde
+          sudo make PREFIX=/opt/vde install
+          # cleanup
+          make distclean
+          # cross-compile for arm64
+          export SDKROOT=$(xcrun --sdk macosx --show-sdk-path)
+          export CC=$(xcrun --sdk macosx --find clang)
+          export CXX=$(xcrun --sdk macosx --find clang++)
+          export CFLAGS="-arch arm64e -isysroot $SDKROOT -Wno-error=implicit-function-declaration"
+          export CXXFLAGS=$CFLAGS
+          ./configure --prefix=/opt/vde.arm64 --host=arm-apple-darwin --target=arm-apple-darwin --build=x86_64-apple-darwin
+          make PREFIX=/opt/vde.arm64
+          sudo make PREFIX=/opt/vde.arm64 install
+          unset SDKROOT CC CXX CFLAGS CXXFLAGS
+      - name: Make and Install vde_vmnet (x86_64)
+        run: |
+          git clone https://github.com/lima-vm/vde_vmnet.git /tmp/vde_vmnet
+          cd /tmp/vde_vmnet
+          make PREFIX=/opt/vde
+          sudo make PREFIX=/opt/vde install
+      - name: Cleanup
+        run: |
+          make clean
+      - name: Make and Install vde_vmnet (arm64)
+        run: |
+          export SDKROOT=$(xcrun --sdk macosx --show-sdk-path)
+          export CC=$(xcrun --sdk macosx --find clang)
+          export CXX=$(xcrun --sdk macosx --find clang++)
+          export CFLAGS="-arch arm64e -isysroot $SDKROOT -Wno-error=implicit-function-declaration"
+          export CXXFLAGS=$CFLAGS
+          make PREFIX=/opt/vde.arm64
+          sudo make PREFIX=/opt/vde.arm64 install
       - name: Print launchd status (shared mode)
         run: launchctl print system/io.github.lima-vm.vde_vmnet.plist
       - name: Install test dependencies